a179cb6913
Otherwise test can fail if the "should fail" lookup is resolved from a cached result. Signed-off-by: Angus Gratton <angus@redyak.com.au>
43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
# This is a regression test to ensure getaddrinfo() fails (after a timeout)
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# when Wi-Fi is disconnected.
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#
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# It doesn't require multiple instances, but it does require Wi-Fi to be present
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# but not active, and for no other network interface to be configured. The only
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# tests which already meet these conditions is here in multi_wlan tests.
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try:
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from network import WLAN
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except (ImportError, NameError):
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print("SKIP")
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raise SystemExit
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import socket
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def instance0():
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WLAN(WLAN.IF_AP).active(0)
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wlan = WLAN(WLAN.IF_STA)
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wlan.active(0)
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multitest.next()
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# Note: Lookup domain for this test doesn't need to exist, as the board
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# isn't internet connected. It also shouldn't exist, so a cached result is
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# never returned!
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try:
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socket.getaddrinfo("doesnotexist.example.com", 80)
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except OSError as er:
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print(
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"active(0) failed"
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) # This may fail with code -6 or -2 depending on whether WLAN has been active since reset
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wlan.active(1)
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try:
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socket.getaddrinfo("doesnotexist.example.com", 80)
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except OSError as er:
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print(
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"active(1) failed", er.errno in (-2, -202)
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) # This one should always be -2 or -202 depending on port
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wlan.active(0)
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